Casio CFX-9970G Manual - Page 10

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Casio CFX-9970G Manual
16 - 3
Editing Tables and Drawing Graphs
2. Press w, and the pointer appears at the pointer start point (
• The Y value for the pointer start point is always 0.
3. Each press of w draws web-like lines on the display.
This graph indicates that recursion formula
Example 2
1. Press 6 (TABL) 4 (WEB) to draw the graph.
To determine whether or not the recursion formula
b
3
+ 0.2 is convergent or divergent.
n
Use the following table range.
Start = 0
End
b
b
= 0.02
Str = 0.02
n
0
Use the View Window parameters from Example 1.
a
a
a
= –3
2
+ 3
n
n
n
+1
= 6
a
Str = 0.01).
n
w
w
is convergent.
b
=
n
+1
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